.wan{
    display:flex;
    flex-flow: column;
    background-color: #ebebef;
}
.item{
    width:100%;
    height:40px;
    display: flex;
    flex-flow: row;
    background-color: #fff;
    border-bottom:1px solid #eee
}
.item1{
    flex:1;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    color:#333;
    padding-left:30px;
}
.item4{
    flex:4;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}
.space{
    margin-top:10px
}
.button{
    margin: 20px;
    height:40px;
    background-color: dodgerblue;
    color:#fff;
    cursor: pointer;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
}